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Yan Chun
Oncology
About me
Graduated from the Clinical Medicine Department of Qingdao Medical College, has been working in the Oncology Department since 2001, obtained the qualification of attending physician in the same year. Promoted to attending physician in 2003. Qualified as associate chief physician in 2011. Participated in advanced studies at Jinan Cancer Hospital from June to November 2015. Serves as a youth member of the Chemical Therapy Committee in Shandong Province, youth member of the Elderly Therapy Committee of the Qingdao Anti-cancer Association, and a member of the Biologic Therapy Committee of the Qingdao Anti-cancer Association.
Proficient in diseases
Chemotherapy, radiotherapy, deep hyperthermia, targeted therapy, and endocrine therapy for various tumors such as stomach cancer, colorectal cancer, lung cancer, breast cancer, ovarian cancer, and pancreatic cancer.
Voices
What discomforts can thyroid cancer cause in the body?
Thyroid cancer is a common type of malignant tumor in the head and neck region. In its early stages, thyroid cancer has little effect on the body, and generally does not cause any discomfort. However, as the disease progresses and the tumor invades outward and metastasizes to distant areas, it can lead to various uncomfortable sensations. For example, if thyroid cancer invades surrounding tissues and organs, such as the recurrent laryngeal nerve, the patient may experience symptoms like a hoarse voice and choking while drinking. If thyroid cancer metastasizes to the cervical lymph nodes, the patient may also develop Horner's syndrome, which is characterized by a constricted pupil, drooping eyelid, and absence of sweating on the affected side of the face. If the patient develops superior vena cava syndrome, it can lead to difficulty breathing, chest pain, and swelling of the face and neck. If thyroid cancer metastasizes to the lungs or other distant areas, the patient may also experience chest pain, difficulty breathing, and coughing.
What are the symptoms of tongue cancer?
Tongue cancer is a type of oral cancer, with clinical symptoms primarily manifested in the following aspects. Many patients develop lumps on the tongue, which generally have unclear boundaries and easily adhere to surrounding tissues, showing limited mobility. The lumps exhibit persistent rapid growth, and when they invade nearby tissues, patients can experience ear pain and difficulties in tongue movement. In advanced stages, patients with tongue cancer may have a fixed tongue, drooling, difficulty eating, and unclear speech. Additionally, lumps in tongue cancer can undergo necrosis, ulceration, and secondary infections, bleeding, and some may have an abnormal taste. The disease can lead to lymph node metastasis, causing lymph node enlargement, often manifesting as neck lumps. Some patients may also experience metastasis to bone tissues, resulting in bone pain.
Vulvar cancer lymph node metastasis is stage III.
Vulvar cancer is a type of malignant tumor in the female reproductive system, commonly occurring in postmenopausal elderly women. The disease progresses to involve lymph node metastasis, and its clinical staging is either stage III or stage IV. If the disease spreads to the inguinal lymph nodes with no other site affected, then the clinical stage is considered stage III. If the vulvar cancer metastasizes to the pelvic lymph nodes, or distant locations such as the liver, lungs, or bones, then it is classified as stage IV. For cases of stage III and IV vulvar cancer, the main treatment methods are palliative surgery, radiation therapy, and chemotherapy. The treatment strategy primarily involves a combination of surgery and radiation therapy along with chemotherapy. For patients with stage III and IV vulvar cancer, the prognosis is generally poor.
Does vulvar cancer spread quickly if not treated with chemotherapy?
Vulvar cancer is a type of malignant tumor in women. For patients in the early stages of vulvar cancer, chemotherapy is generally not required after radical surgery. Even without chemotherapy, the disease progression of early-stage vulvar cancer is relatively slow, and many patients can achieve clinical cure after the radical surgery. However, for patients with mid-to-late stage vulvar cancer, postoperative adjuvant chemotherapy is generally required after the radical surgery to reduce the chances of disease recurrence and metastasis. Without postoperative adjuvant chemotherapy, the disease can spread quickly, and many patients soon experience the spread of the disease, eventually leading to multi-organ failure and death. Therefore, it is essential for patients who need adjuvant chemotherapy to complete the supplementary treatment regularly and on time after surgery.
What tests are needed to determine the cause of vulvar cancer?
Vulvar cancer is a type of malignant tumor in female gynecology. Clinically, the following examinations can be used to identify the cause of vulvar cancer. First, testing for human papillomavirus (HPV) can be conducted. If the patient is found to be infected with HPV, then the cause of vulvar cancer can be considered to be due to viral infection. Additionally, herpes virus testing can also be performed, as many patients with vulvar cancer are caused by herpes virus infection. Thirdly, cytological examination of the vulva can be conducted to detect if there are any malnutritive lesions, such as vulvar lichen sclerosus, and other diseases like dermatophytosis, which are also reasons for the high incidence of vulvar cancer.
Early symptoms of tongue cancer
The early symptoms of tongue cancer patients are mainly manifested as ulcerous lesions on the surface of the tongue, which relapse frequently. The effectiveness of common anti-inflammatory drugs and ulcer treatments is poor. The edges of these ulcerative lesions are rough and the bottom is unclean, often accompanied by abnormal secretions. When infected, the area may exhibit bleeding, pain, and other symptoms. Additionally, some early-stage patients may develop nodular lesions on the surface of the tongue. These nodules have irregular edges and tend to adhere to the surrounding tongue tissues. They are relatively hard, and their surfaces are prone to friction, bleeding, and even exhibit signs of inflammation such as redness and swelling.
Does vulvar cancer ulceration infect family members?
Vulvar cancer is a malignant tumor of the female reproductive system with a low incidence rate clinically. Many patients with vulvar cancer experience ulcerations in their lesions. Even when ulceration occurs in vulvar cancer lesions, it is not contagious to family members because vulvar cancer is a malignant tumor and does not possess contagiousness. The occurrence of infectious diseases necessarily requires three core elements: a source of infection, a transmission route, and a susceptible population. The formation of an infection without these three elements is impossible. When ulceration occurs in vulvar cancer lesions, it is due to the tumor lesion and is non-contagious; however, it is prone to concurrent infections, causing clinical symptoms such as fever, localized pain, and bleeding, which greatly afflict the patients. In cases of ulceration in vulvar cancer, besides controlling the infection and managing local symptoms, it is also necessary to provide aggressive anti-tumor treatment.
Will the vulvar cancer be rotten in the late stage?
Patients with advanced vulvar cancer do not all show signs of internal ulceration. This is because, for most patients with vulvar cancer, the progression of the disease can lead to invasion of the surrounding tissues or distant metastasis. Some patients may experience heavy local infiltration, leading to tissue ulceration. However, most patients in the advanced stages primarily show symptoms related to lymphatic and hematogenous metastasis. When patients with advanced vulvar cancer develop lymph node metastasis and distant metastasis, they may experience symptoms of metastatic lesions, such as inguinal lymph node metastasis causing limb swelling and pain. If there are distant metastases to the lungs, liver, or other areas, patients may exhibit respiratory symptoms such as coughing and expectoration, or liver-related symptoms such as pain in the liver area or decreased appetite.
Can vulvar cancer be detected through an HPV test?
Vulvar cancer cannot be detected through an HPV test, as the HPV test is a virological examination specifically designed to determine the presence of the human papillomavirus infection, but it cannot confirm the existence of vulvar cancer. Clinically, examinations for vulvar cancer primarily include a detailed physical examination to ascertain the presence of lumps, ulcers, or lesions on the vulva. Additionally, vulvar ultrasound, CT, or MRI can be performed to understand the extent of vulvar cancer invasion. A pathological examination of vulvar cancer can also be conducted to diagnose the disease.
What will happen when vulvar cancer becomes severe?
Vulvar cancer is a malignant tumor of the female reproductive system. When vulvar cancer becomes severe, the lesions metastasize to many areas, which can cause serious clinical symptoms, severely affect the patient's quality of life, and even endanger the patient's life. For example, if vulvar cancer metastasizes to the inguinal lymph nodes, pain can occur in the area of the metastases. Additionally, mobility of the limb on the side of the metastases is limited, and swelling of the lower limb occurs. If the patient's lesions metastasize to the lungs through the hematogenous route, clinically the patient may experience coughing, expectoration, chest tightness, chest pain, and even some patients may have respiratory failure, which severely threatens their life. Some patients have bone metastases, and besides pain in the area of the bone metastases, some patients also experience pathological fractures, limited mobility, and significant pain.